3/8"sq. Socket Wrench Set (6pt. & 12pt.) Metric (17pcs.)3 8"sq. Metric Sockets (6pt.) No. Description NB3 055 Socket 5. 5 mm NB3 07 Socket 7 mm NB3 08 Socket 8 mm NB3 10 Socket 10 mm NB3 12 Socket 12 mm NB3 13 Socket 13 mm NB3 14 Socket 14 mm NB3 17W Socket 17 mm NB3 19W Socket 19 mm NB3 21W Socket 21 mm NB3 22W Socket 22 mm NB3 24W Socket 24 mm NBR390 Ratchet Handle NBS3 Breaker Bar NBE3 075 75 mm Extension NBE3 150 150 mm Extension NBJ3 Universal Joint